Questions tagged [android]
Android is Google's software stack for mobile devices. For non-developer questions, see http://android.stackexchange.com
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Sound manager for Android
I created a singleton class for managing sound effects on Android. This class will only be instanced and loaded once at the beginning, and each activity will use the loaded songs.
I don't know either ...
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5
votes
1
answer
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Android game inspired by Space Invaders and Moon Patrol
I'm creating a mini game for Android inspired by space invaders and Moon Patrol. I have completed the important part except for collision detection. Before I do collision detection I want to clean the ...
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4
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Android APP connect to FTP server in Java
I am attempting to build an Android APP with the ability to connect specified FTP server in Java. The connection operation has been performed in FTPconnection class ...
- 3,830
2
votes
1
answer
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Android app class serialization
I am attempting to build an Android APP with the custom serializable class User. The public method Save is to save class ...
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5
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1
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Android SQLite Database management
I'd like some opinions about my approach at using SQLite databases in android. Everything seems to work very well, but there may be something wrong that I hadn't noticed.
I don't like working with ...
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1
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Refactoring RadioGroup setter code?
I am setting different RadioGroup like this:
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2
votes
1
answer
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AES Encryption/Decryption with key
Is this the best way to encrypt/decrypt data?
And Is it good to store Generated InitVector and CipherText in database as Base64 String which is converted from byte[]?
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0
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1
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Android APP User class implementation
This is a follow-up question for Android app class serialization. The implementation of User class has been updated and the functionality of null string checking, ...
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8
votes
1
answer
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Latency problem for keyboard remoting from Android phone
I'm writing a simple remote PC app (mouse-keyboard). Android is client and is connect with WiFi to Java PC Server. I'm using TCP but I see a bit of latency compared to other remote apps. Then I used ...
user38652
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Passing listener to customized extended View in Android
I extended NumberPicker with several methods needed in my application. When I came to defining a OnValueChangeListener this is ...
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6
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2
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Calculating months elapsed since a given date
I am using traceview and DDMS to analyse my operation. The following is my traceview as displayed in DDMS:
According to the above, the LoaderClass.months() ...
- 217
5
votes
1
answer
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Do I need to close my FileOutputStreams?
I have inlined temporary FileOutputStream that I am not able to explicitly close.
Is that a problem?
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- 153
4
votes
1
answer
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Scheduled Notifications (First Android App)
I'm happy to present my first Android project, which collects market index data (three Asian indices) and fires a notificaiton every Wednesday, Thursday and Friday at 7:30 AM displaying the data.
I've ...
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4
votes
1
answer
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Simple, generic background thread worker class
While I'm not aiming for a drop-in replacement for AsyncTask, I would like a utility class that accomplishes some of the same goals.
Considering the criticisms of <...
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3
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2
answers
284
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3
votes
1
answer
349
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Toggling ActionBar visibility for SherlockFragmentActivity
Method implemented in parent class (extends SherlockFragmentActivity) (source)
...
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3
votes
1
answer
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Android recycler view adapter filter
I am trying to optimize the filter method for RecyclerView Adapter in Android. The list is used as an ArrayList. I have seen ...
3
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3
answers
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Android recyclerview filter
I want to optimize the below code, I have asked a similar question here.
I know this approach is better than my last code but I feel there are ways to optimize this too.This code is used in almost ...
2
votes
1
answer
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Generating multiplication questions and answers for a quiz style app
See this link for previous post on this subject Generating mathematical questions and answers
I have an Android quiz app that I am building to learn kotlin / android app development. Here is an object ...
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1
vote
3
answers
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Registration and Login System for Application
I am developing a social platform and currently just completed the registration and login PHP pages. The application is an android application
that authenticates against a MySQL DB. I am seeking ...
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1
vote
1
answer
62
views
Processing charge current error messages with HashMap<>
I have certain error states that I am displaying in my Android TextView but only one message is displayed at a time and if all values are set to 0, no message is displayed. So, I check all the values ...
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1
vote
1
answer
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Generating mathematical questions and answers
I have an Android quiz app that I am building to learn kotlin / android app development. Here is an object I have which acts as one of many question builders.
Is there a better way of writing this?
<...
- 53
1
vote
1
answer
388
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Android APP FTP uploading file implementation in Java
This is a follow-up question for Android APP FTP host profile class implementation and Android APP connect to FTP server in Java. I am attempting to perform the upload operation to specified FTP ...
- 3,830
1
vote
1
answer
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Android APP FTP host profile class implementation
This is a follow-up question for Android APP connect to FTP server in Java. I am attempting to create a tiny FTP host manager with FTPHostProfile class and ...
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